public static SpellCheckCastResult PrepareSpell(this Unit u, SpellCast spell)
{
spell.Initialize();
SpellCheckCastResult reason = u.CanCast(spell, true);
if (u.SpellCast.ContainsKey(spell.SpellType) && !u.SpellCast[spell.SpellType].IsFinished)
{
reason = SpellCheckCastResult.SPELL_FAILED_SPELL_IN_PROGRESS;
}
if (reason != SpellCheckCastResult.SPELL_CAST_OK)
{
u.SendCastResult(reason, spell.Spell.Id);
return(reason);
}
spell.SendSpellStart();
if (spell.Caster.IsTypeOf(ObjectTypes.TYPE_UNIT) && !spell.Caster.IsTypeOf(ObjectTypes.TYPE_PLAYER))
{
Creature unit = ((Creature)spell.Caster);
if (spell.Targets.Target != null)
{
unit.TurnTo(spell.Targets.Target.Location);
}
else if (spell.Targets.TargetMask.HasFlag((uint)SpellTargetType.TARGET_TYPE_LOCATION))
{
unit.TurnTo(spell.Targets.TargetLocation);
}
}
spell.State = SpellState.SPELL_STATE_CASTING;
u.SpellCast[spell.SpellType] = spell;
if (spell.Duration > 0)
{
u.ChannelSpell = spell.Spell.Id;
u.ChannelObject = spell.Targets.Target.Guid;
GridManager.Instance.SendSurrounding(u.BuildUpdate(), u);
if (u.IsTypeOf(ObjectTypes.TYPE_PLAYER))
{
PacketWriter channel = new PacketWriter(Opcodes.MSG_CHANNEL_START);
channel.WriteUInt32(spell.Spell.Id);
channel.WriteInt32(spell.Duration * 1000);
((Player)u).Client.Send(channel);
}
}
return(SpellCheckCastResult.SPELL_CAST_OK);
}
[Rpc(61, false)]//PerformSkill
private void RPC_061(NetMessage message, NetMessageInfo info)
{
m_target.OnDeserialize(message);
var castResult = SpellCastResult.Fail;
if (CanCast(m_target.SpellID, m_target.Upgrade))
{
castResult = m_cast.Initialize(m_target.SpellID, m_target.Upgrade, m_target);
}
if (castResult != SpellCastResult.OK)
{
m_cast_args.Result = castResult;
m_owner.Notify(SpellCastArgs.FailEvent, m_cast_args);
}
}
